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-rw-r--r--src/fs/ntapi_tt_open_physical_parent_directory.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/fs/ntapi_tt_open_physical_parent_directory.c b/src/fs/ntapi_tt_open_physical_parent_directory.c
index a9975a7..e80a21a 100644
--- a/src/fs/ntapi_tt_open_physical_parent_directory.c
+++ b/src/fs/ntapi_tt_open_physical_parent_directory.c
@@ -39,9 +39,11 @@ int32_t __stdcall __ntapi_tt_open_physical_parent_directory(
return NT_STATUS_BAD_FILE_TYPE;
wch = path->buffer + (path->strlen / sizeof(uint16_t));
- while ((--wch >= path->buffer) && (*wch != '\\'));
- if (wch == path->buffer )
+ for (; (wch > path->buffer) && (wch[-1] != '\\'); wch--)
+ (void)0;
+
+ if (wch == path->buffer)
return NT_STATUS_MORE_PROCESSING_REQUIRED;
path->strlen = sizeof(uint16_t) * (uint16_t)(wch-path->buffer);